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49969369 is a prime number
BaseRepresentation
bin1011111010011…
…1100011011001
310111000201002101
42332213203121
5100243004434
64543003401
71144506202
oct276474331
9114021071
1049969369
112622a7aa
1214899561
13a477498
1468ca5a9
1545c0b14
hex2fa78d9

49969369 has 2 divisors, whose sum is σ = 49969370. Its totient is φ = 49969368.

The previous prime is 49969327. The next prime is 49969379. The reversal of 49969369 is 96396994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39000025 + 10969344 = 6245^2 + 3312^2 .

It is a cyclic number.

It is not a de Polignac number, because 49969369 - 221 = 47872217 is a prime.

It is a super-2 number, since 2×499693692 = 4993875676516322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49969379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24984684 + 24984685.

It is an arithmetic number, because the mean of its divisors is an integer number (24984685).

Almost surely, 249969369 is an apocalyptic number.

It is an amenable number.

49969369 is a deficient number, since it is larger than the sum of its proper divisors (1).

49969369 is an equidigital number, since it uses as much as digits as its factorization.

49969369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2834352, while the sum is 55.

The square root of 49969369 is about 7068.9015412580. The cubic root of 49969369 is about 368.3279041170.

It can be divided in two parts, 4996 and 9369, that added together give a triangular number (14365 = T169).

The spelling of 49969369 in words is "forty-nine million, nine hundred sixty-nine thousand, three hundred sixty-nine".